Bolt fastening device



FIG. 1 is a front view of a bolt fastening device of the present invention;

FIG. 2 is a top plan view of the bolt fastening device of the present invention;

FIG. 3 is a right side view of the bolt fastening device of the present invention;

FIG. 4 is a rear view of the bolt fastening device of the present invention;

FIG. 5 is a bottom plan view of the bolt fastening device of the present invention; and,

FIG. 6 is a left side view of the bolt fastening device of the present invention. 

The ornamental design for a bolt fastening device, as shown and described. 